Xiao-Hong Tan1，Guo-Bin Huang1,2，Zhi-Xiong Cai1,3，Fei-Ming Li1,3，Yan-Mei Zhou1，Mao-Sheng Zhang1,3（College of Chemistry，Chemical Engineering and Environment，Minnan Normal University；Institute of Analytical Technology and Smart Instruments and Colleague of Environment and Public Healthy，Xiamen Huaxia University；Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology，Minnan Normal University）.Monodisperse Spherical Sandwiched Structured SiO2@CsPbX3@SiO2 Perovskite Composites for the Determination of Fe3+ Ion in Water Samples[J].Journal of Analysis and Testing,2021,第1期